Home / 13,288,400.80-19,932,601.20-13,162,429.60

Finding the Fourth Proportional to 13,288,400.80, 19,932,601.20 and 13,162,429.60

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Solution

The fourth proportional to 13,288,400.80, 19,932,601.20 and 13,162,429.60 is: 19,743,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288,400.80 : 19,932,601.20 = 13,162,429.60 : x
  2. Step 2: Convert to fraction form
    13,288,400.80/19,932,601.20 = 13,162,429.60/x
  3. Step 3: Cross multiply
    13,288,400.80x = 19,932,601.20 × 13,162,429.60
  4. Step 4: Simplify right side
    13,288,400.80x = 262,361,460,039,875.50
  5. Step 5: Solve for x
    x = 262,361,460,039,875.50/13,288,400.80
  6. Step 6: Final answer
    x = 19,743,644.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.